In a school of 450 students, 110 of them are in the choir, 240 of them are in the band and 60 students are in the choir and the band. Please help I've been trying to solve this for an hour (T-T)

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.